154073422 has 4 divisors (see below), whose sum is σ = 231110136. Its totient is φ = 77036710.

The previous prime is 154073419. The next prime is 154073453. The reversal of 154073422 is 224370451.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38518354 + ... + 38518357.

It is an arithmetic number, because the mean of its divisors is an integer number (57777534).

Almost surely, 2^154073422 is an apocalyptic number.

154073422 is a deficient number, since it is larger than the sum of its proper divisors (77036714).

154073422 is an equidigital number, since it uses as much as digits as its factorization.

154073422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77036713.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 154073422 is about 12412.6315501589. The cubic root of 154073422 is about 536.0960115192.

The spelling of 154073422 in words is "one hundred fifty-four million, seventy-three thousand, four hundred twenty-two".