145204653542 has 32 divisors (see below), whose sum is σ = 244270736640. Its totient is φ = 64281692160.

The previous prime is 145204653541. The next prime is 145204653547. The reversal of 145204653542 is 245356402541.

It is a self number, because there is not a number n which added to its sum of digits gives 145204653542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145204653541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 706067 + ... + 888222.

It is an arithmetic number, because the mean of its divisors is an integer number (7633460520).

Almost surely, 2^145204653542 is an apocalyptic number.

145204653542 is a deficient number, since it is larger than the sum of its proper divisors (99066083098).

145204653542 is a wasteful number, since it uses less digits than its factorization.

145204653542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594448.

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 145204653542 in words is "one hundred forty-five billion, two hundred four million, six hundred fifty-three thousand, five hundred forty-two".