145902562 has 8 divisors (see below), whose sum is σ = 235688796. Its totient is φ = 67339632.

The previous prime is 145902557. The next prime is 145902571. The reversal of 145902562 is 265209541.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 131997121 + 13905441 = 11489^2 + 3729^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2805793 + ... + 2805844.

Almost surely, 2^145902562 is an apocalyptic number.

145902562 is a deficient number, since it is larger than the sum of its proper divisors (89786234).

145902562 is a wasteful number, since it uses less digits than its factorization.

145902562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5611652.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 145902562 is about 12079.0132875165. The cubic root of 145902562 is about 526.4465767530.

The spelling of 145902562 in words is "one hundred forty-five million, nine hundred two thousand, five hundred sixty-two".