106157290 has 8 divisors (see below), whose sum is σ = 191083140. Its totient is φ = 42462912.

The previous prime is 106157281. The next prime is 106157297. The reversal of 106157290 is 92751601.

It can be written as a sum of positive squares in 2 ways, for example, as 105698961 + 458329 = 10281^2 + 677^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×106157290² = 22538740440288200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106157297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5307855 + ... + 5307874.

Almost surely, 2^106157290 is an apocalyptic number.

106157290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

106157290 is a deficient number, since it is larger than the sum of its proper divisors (84925850).

106157290 is a wasteful number, since it uses less digits than its factorization.

106157290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10615736.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 106157290 is about 10303.2659870548. The cubic root of 106157290 is about 473.4963197006.

The spelling of 106157290 in words is "one hundred six million, one hundred fifty-seven thousand, two hundred ninety".