154471542 has 16 divisors (see below), whose sum is σ = 322375680. Its totient is φ = 49251752.

The previous prime is 154471531. The next prime is 154471547. The reversal of 154471542 is 245174451.

It is a super-2 number, since 2×154471542² = 47722914575715528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154471547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559542 + ... + 559817.

It is an arithmetic number, because the mean of its divisors is an integer number (20148480).

Almost surely, 2^154471542 is an apocalyptic number.

154471542 is an abundant number, since it is smaller than the sum of its proper divisors (167904138).

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

154471542 is a wasteful number, since it uses less digits than its factorization.

154471542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119387.

The product of its digits is 22400, while the sum is 33.

The square root of 154471542 is about 12428.6580932939. The cubic root of 154471542 is about 536.5573651011.

The spelling of 154471542 in words is "one hundred fifty-four million, four hundred seventy-one thousand, five hundred forty-two".