158770454 has 4 divisors (see below), whose sum is σ = 238155684. Its totient is φ = 79385226.

The previous prime is 158770453. The next prime is 158770471. The reversal of 158770454 is 454077851.

158770454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 454077851 = 2297 ⋅197683.

It is a super-2 number, since 2×158770454² = 50416114126732232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158770453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39692612 + ... + 39692615.

It is an arithmetic number, because the mean of its divisors is an integer number (59538921).

Almost surely, 2^158770454 is an apocalyptic number.

158770454 is a deficient number, since it is larger than the sum of its proper divisors (79385230).

158770454 is an equidigital number, since it uses as much as digits as its factorization.

158770454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79385229.

The product of its (nonzero) digits is 156800, while the sum is 41.

The square root of 158770454 is about 12600.4148344410. The cubic root of 158770454 is about 541.4893203190.

The spelling of 158770454 in words is "one hundred fifty-eight million, seven hundred seventy thousand, four hundred fifty-four".