145217496 has 32 divisors (see below), whose sum is σ = 364055040. Its totient is φ = 48271008.

The previous prime is 145217477. The next prime is 145217503. The reversal of 145217496 is 694712541.

It is a super-2 number, since 2×145217496² = 42176242289020032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565 + ... + 17051.

It is an arithmetic number, because the mean of its divisors is an integer number (11376720).

Almost surely, 2^145217496 is an apocalyptic number.

It is an amenable number.

145217496 is an abundant number, since it is smaller than the sum of its proper divisors (218837544).

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

145217496 is a wasteful number, since it uses less digits than its factorization.

145217496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16863 (or 16859 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 145217496 is about 12050.6222245990. The cubic root of 145217496 is about 525.6213305865.

The spelling of 145217496 in words is "one hundred forty-five million, two hundred seventeen thousand, four hundred ninety-six".