151291770 has 128 divisors (see below), whose sum is σ = 429649920. Its totient is φ = 33384960.

The previous prime is 151291757. The next prime is 151291771. The reversal of 151291770 is 77192151.

151291770 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (151291771) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1088361 + ... + 1088499.

It is an arithmetic number, because the mean of its divisors is an integer number (3356640).

Almost surely, 2^151291770 is an apocalyptic number.

151291770 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 151291770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214824960).

151291770 is an abundant number, since it is smaller than the sum of its proper divisors (278358150).

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

151291770 is a wasteful number, since it uses less digits than its factorization.

151291770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300.

The product of its (nonzero) digits is 4410, while the sum is 33.

The square root of 151291770 is about 12300.0719510091. The cubic root of 151291770 is about 532.8501609273.

The spelling of 151291770 in words is "one hundred fifty-one million, two hundred ninety-one thousand, seven hundred seventy".