1453400145 has 32 divisors (see below), whose sum is σ = 2653664640. Its totient is φ = 754194240.

The previous prime is 1453400141. The next prime is 1453400149. The reversal of 1453400145 is 5410043541.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1453400141) and next prime (1453400149).

It is not a de Polignac number, because 1453400145 - 2² = 1453400141 is a prime.

It is a super-2 number, since 2×1453400145² = 4224743962972042050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1453400141) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 140491 + ... + 150480.

It is an arithmetic number, because the mean of its divisors is an integer number (82927020).

Almost surely, 2^1453400145 is an apocalyptic number.

1453400145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1453400145 is a deficient number, since it is larger than the sum of its proper divisors (1200264495).

1453400145 is a wasteful number, since it uses less digits than its factorization.

1453400145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291022 (or 291016 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1453400145 is about 38123.4854781144. The cubic root of 1453400145 is about 1132.7352083719.

Adding to 1453400145 its reverse (5410043541), we get a palindrome (6863443686).

The spelling of 1453400145 in words is "one billion, four hundred fifty-three million, four hundred thousand, one hundred forty-five".