151640154 has 32 divisors (see below), whose sum is σ = 337392000. Its totient is φ = 50484672.

The previous prime is 151640149. The next prime is 151640161. The reversal of 151640154 is 451046151.

151640154 is a `hidden beast` number, since 1 + 5 + 1 + 640 + 15 + 4 = 666.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70162 + ... + 72290.

It is an arithmetic number, because the mean of its divisors is an integer number (10543500).

Almost surely, 2^151640154 is an apocalyptic number.

151640154 is an abundant number, since it is smaller than the sum of its proper divisors (185751846).

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

151640154 is a wasteful number, since it uses less digits than its factorization.

151640154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3459 (or 3453 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 151640154 is about 12314.2256760220. The cubic root of 151640154 is about 533.2588506229.

The spelling of 151640154 in words is "one hundred fifty-one million, six hundred forty thousand, one hundred fifty-four".