152021542 has 8 divisors (see below), whose sum is σ = 228087216. Its totient is φ = 75992472.

The previous prime is 152021533. The next prime is 152021561. The reversal of 152021542 is 245120251.

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

It is a super-2 number, since 2×152021542² = 46221098464115528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 6783 + ... + 18709.

It is an arithmetic number, because the mean of its divisors is an integer number (28510902).

Almost surely, 2^152021542 is an apocalyptic number.

152021542 is a deficient number, since it is larger than the sum of its proper divisors (76065674).

152021542 is a wasteful number, since it uses less digits than its factorization.

152021542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18302.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 152021542 is about 12329.7016184497. The cubic root of 152021542 is about 533.7055402676.

Adding to 152021542 its reverse (245120251), we get a palindrome (397141793).

The spelling of 152021542 in words is "one hundred fifty-two million, twenty-one thousand, five hundred forty-two".