154045373641 has 4 divisors (see below), whose sum is σ = 154048784400. Its totient is φ = 154041962884.

The previous prime is 154045373633. The next prime is 154045373701. The reversal of 154045373641 is 146373540451.

It is a happy number.

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 154045373641 - 2³ = 154045373633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154045373611) 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, 1636711 + ... + 1728268.

It is an arithmetic number, because the mean of its divisors is an integer number (38512196100).

Almost surely, 2^154045373641 is an apocalyptic number.

It is an amenable number.

154045373641 is a deficient number, since it is larger than the sum of its proper divisors (3410759).

154045373641 is an equidigital number, since it uses as much as digits as its factorization.

154045373641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410758.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 154045373641 in words is "one hundred fifty-four billion, forty-five million, three hundred seventy-three thousand, six hundred forty-one".