154742 has 12 divisors (see below), whose sum is σ = 270180. Its totient is φ = 66276.

The previous prime is 154733. The next prime is 154747. The reversal of 154742 is 247451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154747) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 692 + ... + 887.

It is an arithmetic number, because the mean of its divisors is an integer number (22515).

2¹⁵⁴⁷⁴² is an apocalyptic number.

154742 is a deficient number, since it is larger than the sum of its proper divisors (115438).

154742 is a wasteful number, since it uses less digits than its factorization.

154742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595 (or 1588 counting only the distinct ones).

The product of its digits is 1120, while the sum is 23.

The square root of 154742 is about 393.3725969104. The cubic root of 154742 is about 53.6870328079.

The spelling of 154742 in words is "one hundred fifty-four thousand, seven hundred forty-two".