106551142 has 4 divisors (see below), whose sum is σ = 159826716. Its totient is φ = 53275570.

The previous prime is 106551127. The next prime is 106551149. The reversal of 106551142 is 241155601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241155601 = 127 ⋅1898863.

It is a super-2 number, since 2×106551142² = 22706291723008328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106551149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26637784 + ... + 26637787.

It is an arithmetic number, because the mean of its divisors is an integer number (39956679).

Almost surely, 2^106551142 is an apocalyptic number.

106551142 is a deficient number, since it is larger than the sum of its proper divisors (53275574).

106551142 is an equidigital number, since it uses as much as digits as its factorization.

106551142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53275573.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 106551142 is about 10322.3612608744. The cubic root of 106551142 is about 474.0811667042.

The spelling of 106551142 in words is "one hundred six million, five hundred fifty-one thousand, one hundred forty-two".