106154442 has 64 divisors (see below), whose sum is σ = 248832000. Its totient is φ = 33493824.

The previous prime is 106154441. The next prime is 106154449. The reversal of 106154442 is 244451601.

106154442 is a `hidden beast` number, since 1 + 0 + 615 + 4 + 4 + 42 = 666.

It is a super-2 number, since 2×106154442² = 22537531112662728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (106154441) 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, 82359 + ... + 83637.

It is an arithmetic number, because the mean of its divisors is an integer number (3888000).

Almost surely, 2^106154442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 106154442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124416000).

106154442 is an abundant number, since it is smaller than the sum of its proper divisors (142677558).

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

106154442 is a wasteful number, since it uses less digits than its factorization.

106154442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372 (or 1366 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 106154442 is about 10303.1277775246. The cubic root of 106154442 is about 473.4920853248.

The spelling of 106154442 in words is "one hundred six million, one hundred fifty-four thousand, four hundred forty-two".