154935394 has 4 divisors (see below), whose sum is σ = 232403094. Its totient is φ = 77467696.

The previous prime is 154935379. The next prime is 154935397. The reversal of 154935394 is 493539451.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 121815369 + 33120025 = 11037^2 + 5755^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 154935394.

It is not an unprimeable number, because it can be changed into a prime (154935397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38733847 + ... + 38733850.

Almost surely, 2^154935394 is an apocalyptic number.

154935394 is a deficient number, since it is larger than the sum of its proper divisors (77467700).

154935394 is an equidigital number, since it uses as much as digits as its factorization.

154935394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77467699.

The product of its digits is 291600, while the sum is 43.

The square root of 154935394 is about 12447.3046881644. The cubic root of 154935394 is about 537.0938921972.

The spelling of 154935394 in words is "one hundred fifty-four million, nine hundred thirty-five thousand, three hundred ninety-four".