145251355214251 has 32 divisors (see below), whose sum is σ = 171008609861376. Its totient is φ = 121629538128000.

The previous prime is 145251355214239. The next prime is 145251355214279. The reversal of 145251355214251 is 152412553152541.

145251355214251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 145251355214251 - 2¹³ = 145251355206059 is a prime.

It is a super-2 number, since 2×145251355214251² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145251355214851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 790576740 + ... + 790760446.

It is an arithmetic number, because the mean of its divisors is an integer number (5344019058168).

Almost surely, 2^{145251355214251} is an apocalyptic number.

145251355214251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

145251355214251 is a deficient number, since it is larger than the sum of its proper divisors (25757254647125).

145251355214251 is a wasteful number, since it uses less digits than its factorization.

145251355214251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195483.

The product of its digits is 1200000, while the sum is 46.

The spelling of 145251355214251 in words is "one hundred forty-five trillion, two hundred fifty-one billion, three hundred fifty-five million, two hundred fourteen thousand, two hundred fifty-one".