97551142 has 16 divisors (see below), whose sum is σ = 164435040. Its totient is φ = 43065792.

The previous prime is 97551137. The next prime is 97551143. The reversal of 97551142 is 24115579.

It is a junction number, because it is equal to n+sod(n) for n = 97551098 and 97551107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97551143) 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 7 ways as a sum of consecutive naturals, for example, 80967 + ... + 82162.

It is an arithmetic number, because the mean of its divisors is an integer number (10277190).

Almost surely, 2^97551142 is an apocalyptic number.

97551142 is a deficient number, since it is larger than the sum of its proper divisors (66883898).

97551142 is a wasteful number, since it uses less digits than its factorization.

97551142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163167.

The product of its digits is 12600, while the sum is 34.

The square root of 97551142 is about 9876.7981653975. The cubic root of 97551142 is about 460.3386636495.

The spelling of 97551142 in words is "ninety-seven million, five hundred fifty-one thousand, one hundred forty-two".