158377457 has 12 divisors (see below), whose sum is σ = 195073380. Its totient is φ = 127766016.

The previous prime is 158377447. The next prime is 158377459. The reversal of 158377457 is 754773851.

158377457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 57896881 + 100480576 = 7609^2 + 10024^2 .

It is not a de Polignac number, because 158377457 - 2⁸ = 158377201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158377459) 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, 94232 + ... + 95897.

It is an arithmetic number, because the mean of its divisors is an integer number (16256115).

Almost surely, 2^158377457 is an apocalyptic number.

158377457 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

158377457 is a deficient number, since it is larger than the sum of its proper divisors (36695923).

158377457 is a wasteful number, since it uses less digits than its factorization.

158377457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190160 (or 190153 counting only the distinct ones).

The product of its digits is 823200, while the sum is 47.

The square root of 158377457 is about 12584.8105667110. The cubic root of 158377457 is about 541.0421768783.

The spelling of 158377457 in words is "one hundred fifty-eight million, three hundred seventy-seven thousand, four hundred fifty-seven".