85412151 has 40 divisors (see below), whose sum is σ = 140106384. Its totient is φ = 51425280.

The previous prime is 85412149. The next prime is 85412183. The reversal of 85412151 is 15121458.

It is not a de Polignac number, because 85412151 - 2¹ = 85412149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85412101) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 228801 + ... + 229173.

Almost surely, 2^85412151 is an apocalyptic number.

85412151 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

85412151 is a deficient number, since it is larger than the sum of its proper divisors (54694233).

85412151 is a wasteful number, since it uses less digits than its factorization.

85412151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 644 counting only the distinct ones).

The product of its digits is 1600, while the sum is 27.

The square root of 85412151 is about 9241.8694537415. The cubic root of 85412151 is about 440.3924717881.

The spelling of 85412151 in words is "eighty-five million, four hundred twelve thousand, one hundred fifty-one".