152689770 has 48 divisors (see below), whose sum is σ = 399409920. Its totient is φ = 40469472.

The previous prime is 152689769. The next prime is 152689811. The reversal of 152689770 is 77986251.

152689770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9951 + ... + 20109.

It is an arithmetic number, because the mean of its divisors is an integer number (8321040).

Almost surely, 2^152689770 is an apocalyptic number.

152689770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 152689770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199704960).

152689770 is an abundant number, since it is smaller than the sum of its proper divisors (246720150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

152689770 is a wasteful number, since it uses less digits than its factorization.

152689770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10339 (or 10336 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The square root of 152689770 is about 12356.7702090797. The cubic root of 152689770 is about 534.4863851120.

The spelling of 152689770 in words is "one hundred fifty-two million, six hundred eighty-nine thousand, seven hundred seventy".