151449396 has 144 divisors (see below), whose sum is σ = 442411200. Its totient is φ = 40061952.

The previous prime is 151449383. The next prime is 151449407. The reversal of 151449396 is 693944151.

151449396 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 (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1089495 + ... + 1089633.

It is an arithmetic number, because the mean of its divisors is an integer number (3072300).

Almost surely, 2^151449396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151449396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221205600).

151449396 is an abundant number, since it is smaller than the sum of its proper divisors (290961804).

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

151449396 is a wasteful number, since it uses less digits than its factorization.

151449396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 277 counting only the distinct ones).

The product of its digits is 116640, while the sum is 42.

The square root of 151449396 is about 12306.4778064237. The cubic root of 151449396 is about 533.0351498115.

The spelling of 151449396 in words is "one hundred fifty-one million, four hundred forty-nine thousand, three hundred ninety-six".