154532742 has 32 divisors (see below), whose sum is σ = 380389632. Its totient is φ = 40755744.

The previous prime is 154532723. The next prime is 154532743. The reversal of 154532742 is 247235451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154532743) 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, 140968 + ... + 142059.

It is an arithmetic number, because the mean of its divisors is an integer number (11887176).

Almost surely, 2^154532742 is an apocalyptic number.

154532742 is an abundant number, since it is smaller than the sum of its proper divisors (225856890).

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

154532742 is a wasteful number, since it uses less digits than its factorization.

154532742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283052.

The product of its digits is 33600, while the sum is 33.

The square root of 154532742 is about 12431.1199012800. The cubic root of 154532742 is about 536.6282152065.

The spelling of 154532742 in words is "one hundred fifty-four million, five hundred thirty-two thousand, seven hundred forty-two".