155251345 has 8 divisors (see below), whose sum is σ = 186822720. Its totient is φ = 123853680.

The previous prime is 155251339. The next prime is 155251351. The reversal of 155251345 is 543152551.

It is an interprime number because it is at equal distance from previous prime (155251339) and next prime (155251351).

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

It is not a de Polignac number, because 155251345 - 2¹⁹ = 154727057 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41451 + ... + 45040.

It is an arithmetic number, because the mean of its divisors is an integer number (23352840).

Almost surely, 2^155251345 is an apocalyptic number.

It is an amenable number.

155251345 is a deficient number, since it is larger than the sum of its proper divisors (31571375).

155251345 is an equidigital number, since it uses as much as digits as its factorization.

155251345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86855.

The product of its digits is 15000, while the sum is 31.

The square root of 155251345 is about 12459.9897672510. The cubic root of 155251345 is about 537.4587327250.

The spelling of 155251345 in words is "one hundred fifty-five million, two hundred fifty-one thousand, three hundred forty-five".