145351492 has 54 divisors (see below), whose sum is σ = 302923194. Its totient is φ = 60952320.

The previous prime is 145351489. The next prime is 145351499. The reversal of 145351492 is 294153541.

It can be written as a sum of positive squares in 3 ways, for example, as 4356 + 145347136 = 66^2 + 12056^2 .

It is a super-2 number, since 2×145351492² = 42254112453252128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145351499) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 80908 + ... + 82684.

Almost surely, 2^145351492 is an apocalyptic number.

It is an amenable number.

145351492 is an abundant number, since it is smaller than the sum of its proper divisors (157571702).

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

145351492 is a wasteful number, since it uses less digits than its factorization.

145351492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829 (or 1803 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 145351492 is about 12056.1806555808. The cubic root of 145351492 is about 525.7829490920.

The spelling of 145351492 in words is "one hundred forty-five million, three hundred fifty-one thousand, four hundred ninety-two".