145308892 has 6 divisors (see below), whose sum is σ = 254290568. Its totient is φ = 72654444.

The previous prime is 145308883. The next prime is 145308901. The reversal of 145308892 is 298803541.

145308892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145308883) and next prime (145308901).

It is a super-2 number, since 2×145308892² = 42229348188535328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18163608 + ... + 18163615.

Almost surely, 2^145308892 is an apocalyptic number.

It is an amenable number.

145308892 is a deficient number, since it is larger than the sum of its proper divisors (108981676).

145308892 is a wasteful number, since it uses less digits than its factorization.

145308892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36327227 (or 36327225 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 145308892 is about 12054.4137974437. The cubic root of 145308892 is about 525.7315781202.

The spelling of 145308892 in words is "one hundred forty-five million, three hundred eight thousand, eight hundred ninety-two".