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145412622 = 23213758967
BaseRepresentation
bin10001010101011…
…01001000001110
3101010121201121200
420222231020032
5244211200442
622232410330
73413662335
oct1052551016
9333551550
10145412622
1175099723
12408469a6
1324183b94
1415452d1c
15cb7534c
hex8aad20e

145412622 has 24 divisors (see below), whose sum is σ = 317365776. Its totient is φ = 48116256.

The previous prime is 145412563. The next prime is 145412633. The reversal of 145412622 is 226214541.

It is a super-2 number, since 2×1454126222 = 42289661273829768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27018 + ... + 31949.

It is an arithmetic number, because the mean of its divisors is an integer number (13223574).

Almost surely, 2145412622 is an apocalyptic number.

145412622 is an abundant number, since it is smaller than the sum of its proper divisors (171953154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145412622 is a wasteful number, since it uses less digits than its factorization.

145412622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59112 (or 59109 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 145412622 is about 12058.7156032473. The cubic root of 145412622 is about 525.8566476977.

The spelling of 145412622 in words is "one hundred forty-five million, four hundred twelve thousand, six hundred twenty-two".

Divisors: 1 2 3 6 9 18 137 274 411 822 1233 2466 58967 117934 176901 353802 530703 1061406 8078479 16156958 24235437 48470874 72706311 145412622