442370148 has 24 divisors (see below), whose sum is σ = 1126033440. Its totient is φ = 134051520.

The previous prime is 442370143. The next prime is 442370153. The reversal of 442370148 is 841073244.

It is an interprime number because it is at equal distance from previous prime (442370143) and next prime (442370153).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (442370143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1675513 + ... + 1675776.

It is an arithmetic number, because the mean of its divisors is an integer number (46918060).

Almost surely, 2^442370148 is an apocalyptic number.

It is an amenable number.

442370148 is an abundant number, since it is smaller than the sum of its proper divisors (683663292).

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

442370148 is a wasteful number, since it uses less digits than its factorization.

442370148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351307 (or 3351305 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 442370148 is about 21032.5972718540. The cubic root of 442370148 is about 761.9537382100.

The spelling of 442370148 in words is "four hundred forty-two million, three hundred seventy thousand, one hundred forty-eight".