145697644730 has 64 divisors (see below), whose sum is σ = 306576482688. Its totient is φ = 49263605760.

The previous prime is 145697644711. The next prime is 145697644769. The reversal of 145697644730 is 37446796541.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 314147 + ... + 624566.

It is an arithmetic number, because the mean of its divisors is an integer number (4790257542).

Almost surely, 2^145697644730 is an apocalyptic number.

145697644730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145697644730 is an abundant number, since it is smaller than the sum of its proper divisors (160878837958).

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

145697644730 is a wasteful number, since it uses less digits than its factorization.

145697644730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938831.

The product of its (nonzero) digits is 15240960, while the sum is 56.

The spelling of 145697644730 in words is "one hundred forty-five billion, six hundred ninety-seven million, six hundred forty-four thousand, seven hundred thirty".