154654042 has 16 divisors (see below), whose sum is σ = 241383240. Its totient is φ = 74224192.

The previous prime is 154654039. The next prime is 154654061. The reversal of 154654042 is 240456451.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 153983281 + 670761 = 12409^2 + 819^2 .

It is a junction number, because it is equal to n+sod(n) for n = 154653995 and 154654013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2328 + ... + 17740.

Almost surely, 2^154654042 is an apocalyptic number.

154654042 is a deficient number, since it is larger than the sum of its proper divisors (86729198).

154654042 is a wasteful number, since it uses less digits than its factorization.

154654042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15617.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 154654042 is about 12435.9978288837. The cubic root of 154654042 is about 536.7685867065.

The spelling of 154654042 in words is "one hundred fifty-four million, six hundred fifty-four thousand, forty-two".