145657295646 has 16 divisors (see below), whose sum is σ = 291348454800. Its totient is φ = 48546787968.

The previous prime is 145657295611. The next prime is 145657295653. The reversal of 145657295646 is 646592756541.

It is a self number, because there is not a number n which added to its sum of digits gives 145657295646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1354891 + ... + 1458438.

It is an arithmetic number, because the mean of its divisors is an integer number (18209278425).

Almost surely, 2^145657295646 is an apocalyptic number.

145657295646 is an abundant number, since it is smaller than the sum of its proper divisors (145691159154).

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

145657295646 is a wasteful number, since it uses less digits than its factorization.

145657295646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2821963.

The product of its digits is 54432000, while the sum is 60.

The spelling of 145657295646 in words is "one hundred forty-five billion, six hundred fifty-seven million, two hundred ninety-five thousand, six hundred forty-six".