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145495342 = 272747671
BaseRepresentation
bin10001010110000…
…01010100101110
3101010202221002101
420223001110232
5244221322332
622234245314
73414455446
oct1053012456
9333687071
10145495342
1175145893
124088683a
13241b2725
1415475126
15cb8eae7
hex8ac152e

145495342 has 4 divisors (see below), whose sum is σ = 218243016. Its totient is φ = 72747670.

The previous prime is 145495319. The next prime is 145495373. The reversal of 145495342 is 243594541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243594541 = 2310591067.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36373834 + ... + 36373837.

It is an arithmetic number, because the mean of its divisors is an integer number (54560754).

Almost surely, 2145495342 is an apocalyptic number.

145495342 is a deficient number, since it is larger than the sum of its proper divisors (72747674).

145495342 is an equidigital number, since it uses as much as digits as its factorization.

145495342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72747673.

The product of its digits is 86400, while the sum is 37.

The square root of 145495342 is about 12062.1449999575. The cubic root of 145495342 is about 525.9563424275.

It can be divided in two parts, 14549 and 5342, that added together give a palindrome (19891).

The spelling of 145495342 in words is "one hundred forty-five million, four hundred ninety-five thousand, three hundred forty-two".

Divisors: 1 2 72747671 145495342