145265022 has 32 divisors (see below), whose sum is σ = 368928000. Its totient is φ = 41504184.

The previous prime is 145264981. The next prime is 145265027. The reversal of 145265022 is 220562541.

145265022 is a `hidden beast` number, since 1 + 4 + 5 + 2 + 650 + 2 + 2 = 666.

It is a super-2 number, since 2×145265022² = 42203853233320968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145265027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191772 + ... + 192527.

It is an arithmetic number, because the mean of its divisors is an integer number (11529000).

Almost surely, 2^145265022 is an apocalyptic number.

145265022 is an abundant number, since it is smaller than the sum of its proper divisors (223662978).

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

145265022 is a wasteful number, since it uses less digits than its factorization.

145265022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384317 (or 384311 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 145265022 is about 12052.5939946553. The cubic root of 145265022 is about 525.6786651717.

The spelling of 145265022 in words is "one hundred forty-five million, two hundred sixty-five thousand, twenty-two".