1371022545 has 16 divisors (see below), whose sum is σ = 2322673920. Its totient is φ = 688199424.

The previous prime is 1371022517. The next prime is 1371022547. The reversal of 1371022545 is 5452201731.

It is not a de Polignac number, because 1371022545 - 2⁹ = 1371022033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1371022547) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2688025 + ... + 2688534.

It is an arithmetic number, because the mean of its divisors is an integer number (145167120).

Almost surely, 2^1371022545 is an apocalyptic number.

1371022545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1371022545 is a deficient number, since it is larger than the sum of its proper divisors (951651375).

1371022545 is a wasteful number, since it uses less digits than its factorization.

1371022545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5376584.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 1371022545 is about 37027.3216017578. The cubic root of 1371022545 is about 1110.9167939095.

The spelling of 1371022545 in words is "one billion, three hundred seventy-one million, twenty-two thousand, five hundred forty-five".