101214187545 has 32 divisors (see below), whose sum is σ = 167317742592. Its totient is φ = 52213597632.

The previous prime is 101214187541. The next prime is 101214187567. The reversal of 101214187545 is 545781412101.

It is a happy number.

It is not a de Polignac number, because 101214187545 - 2² = 101214187541 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101214187541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 695319 + ... + 828188.

It is an arithmetic number, because the mean of its divisors is an integer number (5228679456).

Almost surely, 2^101214187545 is an apocalyptic number.

101214187545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101214187545 is a deficient number, since it is larger than the sum of its proper divisors (66103555047).

101214187545 is a wasteful number, since it uses less digits than its factorization.

101214187545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523661.

The product of its (nonzero) digits is 44800, while the sum is 39.

Adding to 101214187545 its reverse (545781412101), we get a palindrome (646995599646).

The spelling of 101214187545 in words is "one hundred one billion, two hundred fourteen million, one hundred eighty-seven thousand, five hundred forty-five".