45238142 has 4 divisors (see below), whose sum is σ = 67857216. Its totient is φ = 22619070.

The previous prime is 45238121. The next prime is 45238163. The reversal of 45238142 is 24183254.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (45238121) and next prime (45238163).

It is a super-2 number, since 2×45238142² = 4092978983224328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11309534 + ... + 11309537.

It is an arithmetic number, because the mean of its divisors is an integer number (16964304).

Almost surely, 2^45238142 is an apocalyptic number.

45238142 is a deficient number, since it is larger than the sum of its proper divisors (22619074).

45238142 is a wasteful number, since it uses less digits than its factorization.

45238142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22619073.

The product of its digits is 7680, while the sum is 29.

The square root of 45238142 is about 6725.9305675869. The cubic root of 45238142 is about 356.3156681244.

The spelling of 45238142 in words is "forty-five million, two hundred thirty-eight thousand, one hundred forty-two".