151642650 has 96 divisors (see below), whose sum is σ = 391849920. Its totient is φ = 38776320.

The previous prime is 151642643. The next prime is 151642651. The reversal of 151642650 is 56246151.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (151642651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 493797 + ... + 494103.

It is an arithmetic number, because the mean of its divisors is an integer number (4081770).

Almost surely, 2^151642650 is an apocalyptic number.

151642650 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 151642650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195924960).

151642650 is an abundant number, since it is smaller than the sum of its proper divisors (240207270).

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

151642650 is a wasteful number, since it uses less digits than its factorization.

151642650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 151642650 is about 12314.3270218068. The cubic root of 151642650 is about 533.2617764240.

The spelling of 151642650 in words is "one hundred fifty-one million, six hundred forty-two thousand, six hundred fifty".