101454140 has 12 divisors (see below), whose sum is σ = 213053736. Its totient is φ = 40581648.

The previous prime is 101454061. The next prime is 101454161. The reversal of 101454140 is 41454101.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 5072707 = 101454140 / (1 + 0 + 1 + 4 + 5 + 4 + 1 + 4 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2536334 + ... + 2536373.

It is an arithmetic number, because the mean of its divisors is an integer number (17754478).

Almost surely, 2^101454140 is an apocalyptic number.

101454140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101454140 is an abundant number, since it is smaller than the sum of its proper divisors (111599596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101454140 is a wasteful number, since it uses less digits than its factorization.

101454140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5072716 (or 5072714 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 101454140 is about 10072.4445890757. Note that the first 3 decimals coincide. The cubic root of 101454140 is about 466.3979053362.

The spelling of 101454140 in words is "one hundred one million, four hundred fifty-four thousand, one hundred forty".