145915190 has 16 divisors (see below), whose sum is σ = 262856880. Its totient is φ = 58319520.

The previous prime is 145915183. The next prime is 145915223. The reversal of 145915190 is 91519541.

It is a super-2 number, since 2×145915190² = 42582485345472200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145915190.

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, 9185 + ... + 19395.

It is an arithmetic number, because the mean of its divisors is an integer number (16428555).

Almost surely, 2^145915190 is an apocalyptic number.

145915190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145915190 is a deficient number, since it is larger than the sum of its proper divisors (116941690).

145915190 is a wasteful number, since it uses less digits than its factorization.

145915190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11647.

The product of its (nonzero) digits is 8100, while the sum is 35.

The square root of 145915190 is about 12079.5360010226. The cubic root of 145915190 is about 526.4617644589.

The spelling of 145915190 in words is "one hundred forty-five million, nine hundred fifteen thousand, one hundred ninety".