150761021 has 4 divisors (see below), whose sum is σ = 157315872. Its totient is φ = 144206172.

The previous prime is 150761003. The next prime is 150761027. The reversal of 150761021 is 120167051.

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 150761021 - 2¹⁰ = 150759997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 6554827 = 150761021 / (1 + 5 + 0 + 7 + 6 + 1 + 0 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150761027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3277391 + ... + 3277436.

It is an arithmetic number, because the mean of its divisors is an integer number (39328968).

Almost surely, 2^150761021 is an apocalyptic number.

It is an amenable number.

150761021 is a deficient number, since it is larger than the sum of its proper divisors (6554851).

150761021 is an equidigital number, since it uses as much as digits as its factorization.

150761021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6554850.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 150761021 is about 12278.4779594215. The cubic root of 150761021 is about 532.2263309027.

The spelling of 150761021 in words is "one hundred fifty million, seven hundred sixty-one thousand, twenty-one".