236145420 has 72 divisors (see below), whose sum is σ = 818641824. Its totient is φ = 53975808.

The previous prime is 236145409. The next prime is 236145431. The reversal of 236145420 is 24541632.

236145420 is a `hidden beast` number, since 2 + 3 + 614 + 5 + 42 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (236145409) and next prime (236145431).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92449 + ... + 94968.

Almost surely, 2^236145420 is an apocalyptic number.

236145420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

236145420 is an abundant number, since it is smaller than the sum of its proper divisors (582496404).

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

236145420 is a wasteful number, since it uses less digits than its factorization.

236145420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187439 (or 187434 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 236145420 is about 15367.0237847151. The cubic root of 236145420 is about 618.1015637270.

The spelling of 236145420 in words is "two hundred thirty-six million, one hundred forty-five thousand, four hundred twenty".