154949383 has 4 divisors (see below), whose sum is σ = 155189520. Its totient is φ = 154709248.

The previous prime is 154949371. The next prime is 154949387. The reversal of 154949383 is 383949451.

It is a happy number.

154949383 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.

It is a cyclic number.

It is not a de Polignac number, because 154949383 - 2²⁵ = 121394951 is a prime.

It is a super-2 number, since 2×154949383² = 48018622584161378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154949387) 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, 119098 + ... + 120391.

It is an arithmetic number, because the mean of its divisors is an integer number (38797380).

Almost surely, 2^154949383 is an apocalyptic number.

154949383 is a deficient number, since it is larger than the sum of its proper divisors (240137).

154949383 is an equidigital number, since it uses as much as digits as its factorization.

154949383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240136.

The product of its digits is 466560, while the sum is 46.

The square root of 154949383 is about 12447.8666043624. The cubic root of 154949383 is about 537.1100563117.

The spelling of 154949383 in words is "one hundred fifty-four million, nine hundred forty-nine thousand, three hundred eighty-three".