145896173040 has 80 divisors (see below), whose sum is σ = 454892590368. Its totient is φ = 38680747008.

The previous prime is 145896173039. The next prime is 145896173047. The reversal of 145896173040 is 40371698541.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145896173047) 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, 1715419 + ... + 1798458.

Almost surely, 2^145896173040 is an apocalyptic number.

145896173040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145896173040 is an abundant number, since it is smaller than the sum of its proper divisors (308996417328).

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

145896173040 is a wasteful number, since it uses less digits than its factorization.

145896173040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514066 (or 3514060 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 145896173040 in words is "one hundred forty-five billion, eight hundred ninety-six million, one hundred seventy-three thousand, forty".