145011544251 has 16 divisors (see below), whose sum is σ = 221257344000. Its totient is φ = 82755975168.

The previous prime is 145011544189. The next prime is 145011544333. The reversal of 145011544251 is 152445110541.

It is not a de Polignac number, because 145011544251 - 2¹⁸ = 145011282107 is a prime.

It is a super-3 number, since 3×145011544251³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (145011544651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4473651 + ... + 4505948.

It is an arithmetic number, because the mean of its divisors is an integer number (13828584000).

Almost surely, 2^145011544251 is an apocalyptic number.

145011544251 is a deficient number, since it is larger than the sum of its proper divisors (76245799749).

145011544251 is an equidigital number, since it uses as much as digits as its factorization.

145011544251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8980378.

The product of its (nonzero) digits is 16000, while the sum is 33.

Adding to 145011544251 its reverse (152445110541), we get a palindrome (297456654792).

The spelling of 145011544251 in words is "one hundred forty-five billion, eleven million, five hundred forty-four thousand, two hundred fifty-one".