154413092749 has 4 divisors (see below), whose sum is σ = 154958722336. Its totient is φ = 153867463164.

The previous prime is 154413092711. The next prime is 154413092753. The reversal of 154413092749 is 947290314451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 154413092749 - 2¹⁹ = 154412568461 is a prime.

It is a super-2 number, since 2×154413092749² (a number of 23 digits) 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 (154413092759) 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, 272814369 + ... + 272814934.

It is an arithmetic number, because the mean of its divisors is an integer number (38739680584).

Almost surely, 2^154413092749 is an apocalyptic number.

It is an amenable number.

154413092749 is a deficient number, since it is larger than the sum of its proper divisors (545629587).

154413092749 is an equidigital number, since it uses as much as digits as its factorization.

154413092749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545629586.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 154413092749 in words is "one hundred fifty-four billion, four hundred thirteen million, ninety-two thousand, seven hundred forty-nine".