151154021 has 16 divisors (see below), whose sum is σ = 164747520. Its totient is φ = 138132480.

The previous prime is 151154011. The next prime is 151154023. The reversal of 151154021 is 120451151.

It is not a de Polignac number, because 151154021 - 2¹⁸ = 150891877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151153984 and 151154002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151154023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110381 + ... + 111741.

It is an arithmetic number, because the mean of its divisors is an integer number (10296720).

Almost surely, 2^151154021 is an apocalyptic number.

It is an amenable number.

151154021 is a deficient number, since it is larger than the sum of its proper divisors (13593499).

151154021 is a wasteful number, since it uses less digits than its factorization.

151154021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 151154021 is about 12294.4711557675. The cubic root of 151154021 is about 532.6883943300.

The spelling of 151154021 in words is "one hundred fifty-one million, one hundred fifty-four thousand, twenty-one".