101145252 has 48 divisors (see below), whose sum is σ = 254862720. Its totient is φ = 31035648.

The previous prime is 101145221. The next prime is 101145263. The reversal of 101145252 is 252541101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77824 + ... + 79112.

It is an arithmetic number, because the mean of its divisors is an integer number (5309640).

Almost surely, 2^101145252 is an apocalyptic number.

101145252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101145252 is an abundant number, since it is smaller than the sum of its proper divisors (153717468).

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

101145252 is a wasteful number, since it uses less digits than its factorization.

101145252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812 (or 1810 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 101145252 is about 10057.0995818874. The cubic root of 101145252 is about 465.9240913521.

Adding to 101145252 its reverse (252541101), we get a palindrome (353686353).

The spelling of 101145252 in words is "one hundred one million, one hundred forty-five thousand, two hundred fifty-two".