145868502 has 32 divisors (see below), whose sum is σ = 314979840. Its totient is φ = 44768160.

The previous prime is 145868417. The next prime is 145868509. The reversal of 145868502 is 205868541.

145868502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145868509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31449 + ... + 35787.

It is an arithmetic number, because the mean of its divisors is an integer number (9843120).

Almost surely, 2^145868502 is an apocalyptic number.

145868502 is an abundant number, since it is smaller than the sum of its proper divisors (169111338).

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

145868502 is a wasteful number, since it uses less digits than its factorization.

145868502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4788.

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 145868502 is about 12077.6033218516. The cubic root of 145868502 is about 526.4056083935.

Adding to 145868502 its sum of digits (39), we get a palindrome (145868541).

The spelling of 145868502 in words is "one hundred forty-five million, eight hundred sixty-eight thousand, five hundred two".