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145354379 is a prime number
BaseRepresentation
bin10001010100111…
…10111010001011
3101010111202201112
420222132322023
5244202320004
622231240535
73413330462
oct1052367213
9333452645
10145354379
1175059995
124081914b
1324163511
14154399d9
15cb62e6e
hex8a9ee8b

145354379 has 2 divisors, whose sum is σ = 145354380. Its totient is φ = 145354378.

The previous prime is 145354367. The next prime is 145354439. The reversal of 145354379 is 973453541.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-145354379 is a prime.

It is a super-2 number, since 2×1453543792 = 42255790988951282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145354309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72677189 + 72677190.

It is an arithmetic number, because the mean of its divisors is an integer number (72677190).

Almost surely, 2145354379 is an apocalyptic number.

145354379 is a deficient number, since it is larger than the sum of its proper divisors (1).

145354379 is an equidigital number, since it uses as much as digits as its factorization.

145354379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 41.

The square root of 145354379 is about 12056.3003861052. The cubic root of 145354379 is about 525.7864301371.

The spelling of 145354379 in words is "one hundred forty-five million, three hundred fifty-four thousand, three hundred seventy-nine".