152780141 has 8 divisors (see below), whose sum is σ = 158530680. Its totient is φ = 147115008.

The previous prime is 152780137. The next prime is 152780171. The reversal of 152780141 is 141087251.

It can be written as a sum of positive squares in 4 ways, for example, as 43494025 + 109286116 = 6595^2 + 10454^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 152780141 - 2² = 152780137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152780171) 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, 17696 + ... + 24873.

It is an arithmetic number, because the mean of its divisors is an integer number (19816335).

Almost surely, 2^152780141 is an apocalyptic number.

It is an amenable number.

152780141 is a deficient number, since it is larger than the sum of its proper divisors (5750539).

152780141 is an equidigital number, since it uses as much as digits as its factorization.

152780141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42703.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 152780141 is about 12360.4264085023. The cubic root of 152780141 is about 534.5918113911.

The spelling of 152780141 in words is "one hundred fifty-two million, seven hundred eighty thousand, one hundred forty-one".