145013256502 has 16 divisors (see below), whose sum is σ = 234293146560. Its totient is φ = 67093035912.

The previous prime is 145013256499. The next prime is 145013256551. The reversal of 145013256502 is 205652310541.

145013256502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145013256502² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44372068 + ... + 44375335.

It is an arithmetic number, because the mean of its divisors is an integer number (14643321660).

Almost surely, 2^145013256502 is an apocalyptic number.

145013256502 is a deficient number, since it is larger than the sum of its proper divisors (89279890058).

145013256502 is a wasteful number, since it uses less digits than its factorization.

145013256502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88747467.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 145013256502 in words is "one hundred forty-five billion, thirteen million, two hundred fifty-six thousand, five hundred two".