152021469 has 8 divisors (see below), whose sum is σ = 207409312. Its totient is φ = 98990640.

The previous prime is 152021449. The next prime is 152021477. The reversal of 152021469 is 964120251.

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

It is not a de Polignac number, because 152021469 - 2⁷ = 152021341 is a prime.

It is a super-2 number, since 2×152021469² = 46221054073835922, which 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 (152021449) 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, 589102 + ... + 589359.

It is an arithmetic number, because the mean of its divisors is an integer number (25926164).

Almost surely, 2^152021469 is an apocalyptic number.

It is an amenable number.

152021469 is a deficient number, since it is larger than the sum of its proper divisors (55387843).

152021469 is a wasteful number, since it uses less digits than its factorization.

152021469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178507.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 152021469 is about 12329.6986581181. The cubic root of 152021469 is about 533.7054548400.

The spelling of 152021469 in words is "one hundred fifty-two million, twenty-one thousand, four hundred sixty-nine".