151055545 has 4 divisors (see below), whose sum is σ = 181266660. Its totient is φ = 120844432.

The previous prime is 151055543. The next prime is 151055549. The reversal of 151055545 is 545550151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 545550151 = 419 ⋅1302029.

It can be written as a sum of positive squares in 2 ways, for example, as 92563641 + 58491904 = 9621^2 + 7648^2 .

It is a cyclic number.

It is not a de Polignac number, because 151055545 - 2¹ = 151055543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151055543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15105550 + ... + 15105559.

It is an arithmetic number, because the mean of its divisors is an integer number (45316665).

Almost surely, 2^151055545 is an apocalyptic number.

It is an amenable number.

151055545 is a deficient number, since it is larger than the sum of its proper divisors (30211115).

151055545 is an equidigital number, since it uses as much as digits as its factorization.

151055545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30211114.

The product of its (nonzero) digits is 12500, while the sum is 31.

The square root of 151055545 is about 12290.4656136373. The cubic root of 151055545 is about 532.5726880283.

The spelling of 151055545 in words is "one hundred fifty-one million, fifty-five thousand, five hundred forty-five".