145255502 has 12 divisors (see below), whose sum is σ = 253456200. Its totient is φ = 62252316.

The previous prime is 145255477. The next prime is 145255529. The reversal of 145255502 is 205552541.

It is a super-2 number, since 2×145255502² = 42198321722544008, 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 5 ways as a sum of consecutive naturals, for example, 741002 + ... + 741197.

It is an arithmetic number, because the mean of its divisors is an integer number (21121350).

Almost surely, 2^145255502 is an apocalyptic number.

145255502 is a deficient number, since it is larger than the sum of its proper divisors (108200698).

145255502 is a wasteful number, since it uses less digits than its factorization.

145255502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482215 (or 1482208 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 145255502 is about 12052.1990524551. The cubic root of 145255502 is about 525.6671814019.

The spelling of 145255502 in words is "one hundred forty-five million, two hundred fifty-five thousand, five hundred two".