97551145 has 16 divisors (see below), whose sum is σ = 119008512. Its totient is φ = 76752000.

The previous prime is 97551143. The next prime is 97551227. The reversal of 97551145 is 54115579.

It is not a de Polignac number, because 97551145 - 2¹ = 97551143 is a prime.

It is a super-2 number, since 2×97551145² = 19032451781622050, which contains 22 as substring.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 129520 + ... + 130270.

It is an arithmetic number, because the mean of its divisors is an integer number (7438032).

Almost surely, 2^97551145 is an apocalyptic number.

It is an amenable number.

97551145 is a deficient number, since it is larger than the sum of its proper divisors (21457367).

97551145 is a wasteful number, since it uses less digits than its factorization.

97551145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152.

The product of its digits is 31500, while the sum is 37.

The square root of 97551145 is about 9876.7983172686. The cubic root of 97551145 is about 460.3386683685.

The spelling of 97551145 in words is "ninety-seven million, five hundred fifty-one thousand, one hundred forty-five".