154742371 has 4 divisors (see below), whose sum is σ = 176848432. Its totient is φ = 132636312.

The previous prime is 154742369. The next prime is 154742389. The reversal of 154742371 is 173247451.

154742371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 173247451 = 13 ⋅13326727.

It is a cyclic number.

It is not a de Polignac number, because 154742371 - 2¹ = 154742369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154742171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11053020 + ... + 11053033.

It is an arithmetic number, because the mean of its divisors is an integer number (44212108).

Almost surely, 2^154742371 is an apocalyptic number.

154742371 is a deficient number, since it is larger than the sum of its proper divisors (22106061).

154742371 is an equidigital number, since it uses as much as digits as its factorization.

154742371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22106060.

The product of its digits is 23520, while the sum is 34.

The square root of 154742371 is about 12439.5486654460. The cubic root of 154742371 is about 536.8707571346.

The spelling of 154742371 in words is "one hundred fifty-four million, seven hundred forty-two thousand, three hundred seventy-one".