32151242 has 4 divisors (see below), whose sum is σ = 48226866. Its totient is φ = 16075620.

The previous prime is 32151179. The next prime is 32151271. The reversal of 32151242 is 24215123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20529961 + 11621281 = 4531^2 + 3409^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8037809 + ... + 8037812.

Almost surely, 2^32151242 is an apocalyptic number.

32151242 is a deficient number, since it is larger than the sum of its proper divisors (16075624).

32151242 is a wasteful number, since it uses less digits than its factorization.

32151242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16075623.

The product of its digits is 480, while the sum is 20.

The square root of 32151242 is about 5670.2065218121. The cubic root of 32151242 is about 317.9795946982.

Adding to 32151242 its reverse (24215123), we get a palindrome (56366365).

The spelling of 32151242 in words is "thirty-two million, one hundred fifty-one thousand, two hundred forty-two".