145274267077349 has 16 divisors (see below), whose sum is σ = 156637104825600. Its totient is φ = 134243799765504.

The previous prime is 145274267077333. The next prime is 145274267077409. The reversal of 145274267077349 is 943770762472541.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 145274267077349 - 2⁴ = 145274267077333 is a prime.

It is a super-2 number, since 2×145274267077349² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145274267077309) 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, 301914512 + ... + 302395305.

It is an arithmetic number, because the mean of its divisors is an integer number (9789819051600).

Almost surely, 2^{145274267077349} is an apocalyptic number.

It is an amenable number.

145274267077349 is a deficient number, since it is larger than the sum of its proper divisors (11362837748251).

145274267077349 is a wasteful number, since it uses less digits than its factorization.

145274267077349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604310092.

The product of its (nonzero) digits is 497871360, while the sum is 68.

The spelling of 145274267077349 in words is "one hundred forty-five trillion, two hundred seventy-four billion, two hundred sixty-seven million, seventy-seven thousand, three hundred forty-nine".