152766421 has 8 divisors (see below), whose sum is σ = 154395360. Its totient is φ = 151145328.

The previous prime is 152766409. The next prime is 152766431. The reversal of 152766421 is 124667251.

152766421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 152766421 - 2⁵ = 152766389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152766431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42330 + ... + 45796.

It is an arithmetic number, because the mean of its divisors is an integer number (19299420).

Almost surely, 2^152766421 is an apocalyptic number.

It is an amenable number.

152766421 is a deficient number, since it is larger than the sum of its proper divisors (1628939).

152766421 is a wasteful number, since it uses less digits than its factorization.

152766421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3923.

The product of its digits is 20160, while the sum is 34.

The square root of 152766421 is about 12359.8713990074. The cubic root of 152766421 is about 534.5758083967.

The spelling of 152766421 in words is "one hundred fifty-two million, seven hundred sixty-six thousand, four hundred twenty-one".