152921943 has 6 divisors (see below), whose sum is σ = 220887264. Its totient is φ = 101947956.

The previous prime is 152921941. The next prime is 152921947. The reversal of 152921943 is 349129251.

It is not a de Polignac number, because 152921943 - 2¹ = 152921941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 152921898 and 152921907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152921941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8495655 + ... + 8495672.

It is an arithmetic number, because the mean of its divisors is an integer number (36814544).

Almost surely, 2^152921943 is an apocalyptic number.

152921943 is a deficient number, since it is larger than the sum of its proper divisors (67965321).

152921943 is a wasteful number, since it uses less digits than its factorization.

152921943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16991333 (or 16991330 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 152921943 is about 12366.1612071006. The cubic root of 152921943 is about 534.7571530090.

The spelling of 152921943 in words is "one hundred fifty-two million, nine hundred twenty-one thousand, nine hundred forty-three".