154140051 has 8 divisors (see below), whose sum is σ = 221329360. Its totient is φ = 94855392.

The previous prime is 154140031. The next prime is 154140067. The reversal of 154140051 is 150041451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 154140051 - 2⁶ = 154139987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154140001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1976116 + ... + 1976193.

It is an arithmetic number, because the mean of its divisors is an integer number (27666170).

Almost surely, 2^154140051 is an apocalyptic number.

154140051 is a deficient number, since it is larger than the sum of its proper divisors (67189309).

154140051 is a wasteful number, since it uses less digits than its factorization.

154140051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3952325.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 154140051 is about 12415.3151792454. The cubic root of 154140051 is about 536.1732785627.

It can be divided in two parts, 1541400 and 51, that added together give a palindrome (1541451).

The spelling of 154140051 in words is "one hundred fifty-four million, one hundred forty thousand, fifty-one".