145157688 has 48 divisors (see below), whose sum is σ = 423379320. Its totient is φ = 44663616.

The previous prime is 145157657. The next prime is 145157689. The reversal of 145157688 is 886751541.

145157688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145157689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76606 + ... + 78477.

Almost surely, 2^145157688 is an apocalyptic number.

145157688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

145157688 is an abundant number, since it is smaller than the sum of its proper divisors (278221632).

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

145157688 is a wasteful number, since it uses less digits than its factorization.

145157688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155108 (or 155101 counting only the distinct ones).

The product of its digits is 268800, while the sum is 45.

The square root of 145157688 is about 12048.1404374285. The cubic root of 145157688 is about 525.5491614193.

The spelling of 145157688 in words is "one hundred forty-five million, one hundred fifty-seven thousand, six hundred eighty-eight".