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145013376252 = 22312084448021
BaseRepresentation
bin1000011100001101111…
…0001000010011111100
3111212022020020210002010
42013003132020103330
54333441411020002
6150341311531220
713322365234413
oct2070336102374
9455266223063
10145013376252
11565552a79a8
1224130829b10
13108a0425114
1470393b247a
153b8ae1b46c
hex21c37884fc

145013376252 has 12 divisors (see below), whose sum is σ = 338364544616. Its totient is φ = 48337792080.

The previous prime is 145013376241. The next prime is 145013376253. The reversal of 145013376252 is 252673310541.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 145013376252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145013376253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6042223999 + ... + 6042224022.

Almost surely, 2145013376252 is an apocalyptic number.

145013376252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145013376252 is an abundant number, since it is smaller than the sum of its proper divisors (193351168364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145013376252 is a wasteful number, since it uses less digits than its factorization.

145013376252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12084448028 (or 12084448026 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

Adding to 145013376252 its reverse (252673310541), we get a palindrome (397686686793).

The spelling of 145013376252 in words is "one hundred forty-five billion, thirteen million, three hundred seventy-six thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 12084448021 24168896042 36253344063 48337792084 72506688126 145013376252