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145365667 = 823176629
BaseRepresentation
bin10001010101000…
…01101010100011
3101010112100012121
420222201222203
5244203200132
622231405111
73413405416
oct1052415243
9333470177
10145365667
1175067417
1240823797
13241686b5
141543db7d
15cb66497
hex8aa1aa3

145365667 has 4 divisors (see below), whose sum is σ = 145543120. Its totient is φ = 145188216.

The previous prime is 145365659. The next prime is 145365683. The reversal of 145365667 is 766563541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145365667 - 23 = 145365659 is a prime.

It is a super-2 number, since 2×1453656672 = 42262354284709778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145365607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87492 + ... + 89137.

It is an arithmetic number, because the mean of its divisors is an integer number (36385780).

Almost surely, 2145365667 is an apocalyptic number.

145365667 is a deficient number, since it is larger than the sum of its proper divisors (177453).

145365667 is an equidigital number, since it uses as much as digits as its factorization.

145365667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177452.

The product of its digits is 453600, while the sum is 43.

The square root of 145365667 is about 12056.7685139925. The cubic root of 145365667 is about 525.8000403763.

The spelling of 145365667 in words is "one hundred forty-five million, three hundred sixty-five thousand, six hundred sixty-seven".

Divisors: 1 823 176629 145365667