145402532 has 24 divisors (see below), whose sum is σ = 282828672. Its totient is φ = 64844000.

The previous prime is 145402531. The next prime is 145402541. The reversal of 145402532 is 235204541.

It is a happy number.

It is a super-2 number, since 2×145402532² = 42283792624022048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145402531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28844 + ... + 33507.

It is an arithmetic number, because the mean of its divisors is an integer number (11784528).

Almost surely, 2^145402532 is an apocalyptic number.

It is an amenable number.

145402532 is a deficient number, since it is larger than the sum of its proper divisors (137426140).

145402532 is a wasteful number, since it uses less digits than its factorization.

145402532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62419 (or 62417 counting only the distinct ones).

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

The square root of 145402532 is about 12058.2972263915. The cubic root of 145402532 is about 525.8444845713.

The spelling of 145402532 in words is "one hundred forty-five million, four hundred two thousand, five hundred thirty-two".