154455631401 has 4 divisors (see below), whose sum is σ = 205940841872. Its totient is φ = 102970420932.

The previous prime is 154455631399. The next prime is 154455631403. The reversal of 154455631401 is 104136554451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (154455631399) and next prime (154455631403).

It is not a de Polignac number, because 154455631401 - 2¹ = 154455631399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 154455631401.

It is not an unprimeable number, because it can be changed into a prime (154455631403) 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, 25742605231 + ... + 25742605236.

It is an arithmetic number, because the mean of its divisors is an integer number (51485210468).

Almost surely, 2^154455631401 is an apocalyptic number.

It is an amenable number.

154455631401 is a deficient number, since it is larger than the sum of its proper divisors (51485210471).

154455631401 is an equidigital number, since it uses as much as digits as its factorization.

154455631401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51485210470.

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 154455631401 in words is "one hundred fifty-four billion, four hundred fifty-five million, six hundred thirty-one thousand, four hundred one".