101545450 has 12 divisors (see below), whose sum is σ = 188874630. Its totient is φ = 40618160.

The previous prime is 101545441. The next prime is 101545463. The reversal of 101545450 is 54545101.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 91604041 + 9941409 = 9571^2 + 3153^2 .

It is a super-2 number, since 2×101545450² = 20622956831405000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1015405 + ... + 1015504.

Almost surely, 2^101545450 is an apocalyptic number.

101545450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101545450 is a deficient number, since it is larger than the sum of its proper divisors (87329180).

101545450 is a wasteful number, since it uses less digits than its factorization.

101545450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030921 (or 2030916 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 101545450 is about 10076.9762329778. The cubic root of 101545450 is about 466.5377847040.

The spelling of 101545450 in words is "one hundred one million, five hundred forty-five thousand, four hundred fifty".