145261508 has 12 divisors (see below), whose sum is σ = 290523072. Its totient is φ = 62254920.

The previous prime is 145261463. The next prime is 145261513. The reversal of 145261508 is 805162541.

145261508 is an admirable number.

It is a super-2 number, since 2×145261508² = 42201811412868128, 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, 2593928 + ... + 2593983.

It is an arithmetic number, because the mean of its divisors is an integer number (24210256).

Almost surely, 2^145261508 is an apocalyptic number.

It is an amenable number.

145261508 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

145261508 is a wasteful number, since it uses less digits than its factorization.

145261508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5187922 (or 5187920 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 145261508 is about 12052.4482160265. The cubic root of 145261508 is about 525.6744263680.

The spelling of 145261508 in words is "one hundred forty-five million, two hundred sixty-one thousand, five hundred eight".