150405553 has 4 divisors (see below), whose sum is σ = 152650480. Its totient is φ = 148160628.

The previous prime is 150405523. The next prime is 150405557. The reversal of 150405553 is 355504051.

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 a de Polignac number, because none of the positive numbers 2^k-150405553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150405557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1122363 + ... + 1122496.

It is an arithmetic number, because the mean of its divisors is an integer number (38162620).

Almost surely, 2^150405553 is an apocalyptic number.

It is an amenable number.

150405553 is a deficient number, since it is larger than the sum of its proper divisors (2244927).

150405553 is an equidigital number, since it uses as much as digits as its factorization.

150405553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244926.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 150405553 is about 12263.9941699269. The cubic root of 150405553 is about 531.8077029863.

The spelling of 150405553 in words is "one hundred fifty million, four hundred five thousand, five hundred fifty-three".