154013402025 has 60 divisors (see below), whose sum is σ = 326041241152. Its totient is φ = 70406120160.

The previous prime is 154013402021. The next prime is 154013402027. The reversal of 154013402025 is 520204310451.

154013402025 is a `hidden beast` number, since 15 + 401 + 3 + 40 + 202 + 5 = 666.

It is not a de Polignac number, because 154013402025 - 2² = 154013402021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 154013402025.

It is not an unprimeable number, because it can be changed into a prime (154013402021) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 5418397 + ... + 5446746.

Almost surely, 2^154013402025 is an apocalyptic number.

154013402025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

154013402025 is an abundant number, since it is smaller than the sum of its proper divisors (172027839127).

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

154013402025 is a wasteful number, since it uses less digits than its factorization.

154013402025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10865172 (or 10865158 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 154013402025 its reverse (520204310451), we get a palindrome (674217712476).

The spelling of 154013402025 in words is "one hundred fifty-four billion, thirteen million, four hundred two thousand, twenty-five".