151640262 has 48 divisors (see below), whose sum is σ = 341948880. Its totient is φ = 50365152.

The previous prime is 151640257. The next prime is 151640267. The reversal of 151640262 is 262046151.

151640262 is a `hidden beast` number, since 15 + 1 + 640 + 2 + 6 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (151640257) and next prime (151640267).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151640267) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 247068 + ... + 247680.

It is an arithmetic number, because the mean of its divisors is an integer number (7123935).

Almost surely, 2^151640262 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151640262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170974440).

151640262 is an abundant number, since it is smaller than the sum of its proper divisors (190308618).

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

151640262 is an equidigital number, since it uses as much as digits as its factorization.

151640262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139 (or 1127 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 151640262 is about 12314.2300611934. The cubic root of 151640262 is about 533.2589772207.

The spelling of 151640262 in words is "one hundred fifty-one million, six hundred forty thousand, two hundred sixty-two".