101456890 has 16 divisors (see below), whose sum is σ = 182910600. Its totient is φ = 40518720.

The previous prime is 101456881. The next prime is 101456891. The reversal of 101456890 is 98654101.

It can be written as a sum of positive squares in 4 ways, for example, as 86657481 + 14799409 = 9309^2 + 3847^2 .

It is not an unprimeable number, because it can be changed into a prime (101456891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1065 + ... + 14284.

Almost surely, 2^101456890 is an apocalyptic number.

101456890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101456890 is a deficient number, since it is larger than the sum of its proper divisors (81453710).

101456890 is a wasteful number, since it uses less digits than its factorization.

101456890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16017.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 101456890 is about 10072.5810992019. The cubic root of 101456890 is about 466.4021193342.

The spelling of 101456890 in words is "one hundred one million, four hundred fifty-six thousand, eight hundred ninety".