145321160 has 16 divisors (see below), whose sum is σ = 326972700. Its totient is φ = 58128448.

The previous prime is 145321159. The next prime is 145321181. The reversal of 145321160 is 61123541.

It can be written as a sum of positive squares in 2 ways, for example, as 137780644 + 7540516 = 11738^2 + 2746^2 .

It is a super-2 number, since 2×145321160² = 42236479087491200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1816475 + ... + 1816554.

Almost surely, 2^145321160 is an apocalyptic number.

145321160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145321160 is an abundant number, since it is smaller than the sum of its proper divisors (181651540).

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

145321160 is a wasteful number, since it uses less digits than its factorization.

145321160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3633040 (or 3633036 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 145321160 is about 12054.9226459567. The cubic root of 145321160 is about 525.7463730246.

The spelling of 145321160 in words is "one hundred forty-five million, three hundred twenty-one thousand, one hundred sixty".