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145340054 = 2292505863
BaseRepresentation
bin10001010100110…
…11011010010110
3101010111001001222
420222123122112
5244201340204
622231050342
73413240636
oct1052333226
9333431058
10145340054
117504a152
12408109b2
1324159b42
14154346c6
15cb5dabe
hex8a9b696

145340054 has 8 divisors (see below), whose sum is σ = 225527760. Its totient is φ = 70164136.

The previous prime is 145340051. The next prime is 145340071. The reversal of 145340054 is 450043541.

145340054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1453400542 = 42247462593445832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145340051) 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, 1252874 + ... + 1252989.

It is an arithmetic number, because the mean of its divisors is an integer number (28190970).

Almost surely, 2145340054 is an apocalyptic number.

145340054 is a deficient number, since it is larger than the sum of its proper divisors (80187706).

145340054 is a wasteful number, since it uses less digits than its factorization.

145340054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505894.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 145340054 is about 12055.7062837480. The cubic root of 145340054 is about 525.7691570924.

Adding to 145340054 its reverse (450043541), we get a palindrome (595383595).

The spelling of 145340054 in words is "one hundred forty-five million, three hundred forty thousand, fifty-four".

Divisors: 1 2 29 58 2505863 5011726 72670027 145340054