146251642 has 8 divisors (see below), whose sum is σ = 219645216. Its totient is φ = 73036572.

The previous prime is 146251603. The next prime is 146251711. The reversal of 146251642 is 246152641.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42558 + ... + 45865.

It is an arithmetic number, because the mean of its divisors is an integer number (27455652).

Almost surely, 2^146251642 is an apocalyptic number.

146251642 is a deficient number, since it is larger than the sum of its proper divisors (73393574).

146251642 is an equidigital number, since it uses as much as digits as its factorization.

146251642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89252.

The product of its digits is 11520, while the sum is 31.

The square root of 146251642 is about 12093.4545106020. The cubic root of 146251642 is about 526.8660932701.

Subtracting 146251642 from its reverse (246152641), we obtain a palindrome (99900999).

The spelling of 146251642 in words is "one hundred forty-six million, two hundred fifty-one thousand, six hundred forty-two".