64239150 has 48 divisors (see below), whose sum is σ = 160815600. Its totient is φ = 16968960.

The previous prime is 64239121. The next prime is 64239151. The reversal of 64239150 is 5193246.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64239151) 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, 14386 + ... + 18314.

It is an arithmetic number, because the mean of its divisors is an integer number (3350325).

Almost surely, 2^64239150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64239150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80407800).

64239150 is an abundant number, since it is smaller than the sum of its proper divisors (96576450).

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

64239150 is a wasteful number, since it uses less digits than its factorization.

64239150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4053 (or 4048 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 64239150 is about 8014.9329379602. The cubic root of 64239150 is about 400.4976098710.

The spelling of 64239150 in words is "sixty-four million, two hundred thirty-nine thousand, one hundred fifty".