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145461376361 = 7148913955807
BaseRepresentation
bin1000011101111000101…
…1000111010101101001
3111220110110020112200202
42013132023013111221
54340401103020421
6150453554041545
713336445204240
oct2073613072551
9456413215622
10145461376361
1156765178024
12242368792b5
13109421a1742
14707caad957
153bb541210b
hex21de2c7569

145461376361 has 8 divisors (see below), whose sum is σ = 166353231360. Its totient is φ = 124597435968.

The previous prime is 145461376351. The next prime is 145461376421. The reversal of 145461376361 is 163673164541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-145461376361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145461376351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6967481 + ... + 6988326.

It is an arithmetic number, because the mean of its divisors is an integer number (20794153920).

Almost surely, 2145461376361 is an apocalyptic number.

It is an amenable number.

145461376361 is a deficient number, since it is larger than the sum of its proper divisors (20891854999).

145461376361 is a wasteful number, since it uses less digits than its factorization.

145461376361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13957303.

The product of its digits is 1088640, while the sum is 47.

The spelling of 145461376361 in words is "one hundred forty-five billion, four hundred sixty-one million, three hundred seventy-six thousand, three hundred sixty-one".

Divisors: 1 7 1489 10423 13955807 97690649 20780196623 145461376361