1455071137 has 4 divisors (see below), whose sum is σ = 1566999700. Its totient is φ = 1343142576.

The previous prime is 1455071117. The next prime is 1455071141. The reversal of 1455071137 is 7311705541.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 253478241 + 1201592896 = 15921^2 + 34664^2 .

It is a cyclic number.

It is not a de Polignac number, because 1455071137 - 2¹⁵ = 1455038369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1455071117) 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, 55964262 + ... + 55964287.

It is an arithmetic number, because the mean of its divisors is an integer number (391749925).

Almost surely, 2^1455071137 is an apocalyptic number.

It is an amenable number.

1455071137 is a deficient number, since it is larger than the sum of its proper divisors (111928563).

1455071137 is a wasteful number, since it uses less digits than its factorization.

1455071137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111928562.

The product of its (nonzero) digits is 14700, while the sum is 34.

The square root of 1455071137 is about 38145.3947023753. The cubic root of 1455071137 is about 1133.1691486400.

Adding to 1455071137 its reverse (7311705541), we get a palindrome (8766776678).

The spelling of 1455071137 in words is "one billion, four hundred fifty-five million, seventy-one thousand, one hundred thirty-seven".