158400455 has 4 divisors (see below), whose sum is σ = 190080552. Its totient is φ = 126720360.

The previous prime is 158400439. The next prime is 158400457. The reversal of 158400455 is 554004851.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 158400455 - 2⁴ = 158400439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158400457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15840041 + ... + 15840050.

It is an arithmetic number, because the mean of its divisors is an integer number (47520138).

Almost surely, 2^158400455 is an apocalyptic number.

158400455 is a deficient number, since it is larger than the sum of its proper divisors (31680097).

158400455 is an equidigital number, since it uses as much as digits as its factorization.

158400455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31680096.

The product of its (nonzero) digits is 16000, while the sum is 32.

The square root of 158400455 is about 12585.7242540904. The cubic root of 158400455 is about 541.0683638665.

The spelling of 158400455 in words is "one hundred fifty-eight million, four hundred thousand, four hundred fifty-five".