61943142 has 16 divisors (see below), whose sum is σ = 124167600. Its totient is φ = 20600832.

The previous prime is 61943137. The next prime is 61943153. The reversal of 61943142 is 24134916.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8803 + ... + 14190.

It is an arithmetic number, because the mean of its divisors is an integer number (7760475).

Almost surely, 2^61943142 is an apocalyptic number.

61943142 is an abundant number, since it is smaller than the sum of its proper divisors (62224458).

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

61943142 is a wasteful number, since it uses less digits than its factorization.

61943142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23447.

The product of its digits is 5184, while the sum is 30.

The square root of 61943142 is about 7870.3965592593. The cubic root of 61943142 is about 395.6681358994.

The spelling of 61943142 in words is "sixty-one million, nine hundred forty-three thousand, one hundred forty-two".