145195120 has 40 divisors (see below), whose sum is σ = 385805664. Its totient is φ = 49780992.

The previous prime is 145195117. The next prime is 145195139. The reversal of 145195120 is 21591541.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 129079 + ... + 130198.

Almost surely, 2^145195120 is an apocalyptic number.

145195120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145195120 is an abundant number, since it is smaller than the sum of its proper divisors (240610544).

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

145195120 is a wasteful number, since it uses less digits than its factorization.

145195120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259297 (or 259291 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 145195120 is about 12049.6937720425. The cubic root of 145195120 is about 525.5943322166.

The spelling of 145195120 in words is "one hundred forty-five million, one hundred ninety-five thousand, one hundred twenty".