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145248968 = 2342612
BaseRepresentation
bin10001010100001…
…01001011001000
3101010022102010102
420222011023020
5244140431333
622225104532
73412411244
oct1052051310
9333272112
10145248968
1174a97777
1240788148
1324127547
141540d424
15cb41ae8
hex8a852c8

145248968 has 12 divisors (see below), whose sum is σ = 272405745. Its totient is φ = 72607440.

The previous prime is 145248959. The next prime is 145248989. The reversal of 145248968 is 869842541.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 98763844 + 46485124 = 9938^2 + 6818^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=8522.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 31958 + ... + 36218.

Almost surely, 2145248968 is an apocalyptic number.

It is an amenable number.

145248968 is a deficient number, since it is larger than the sum of its proper divisors (127156777).

145248968 is an frugal number, since it uses more digits than its factorization.

145248968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8528 (or 4263 counting only the distinct ones).

The product of its digits is 552960, while the sum is 47.

The square root of 145248968 is about 12051.9279785435. The cubic root of 145248968 is about 525.6592992888.

The spelling of 145248968 in words is "one hundred forty-five million, two hundred forty-eight thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 4261 8522 17044 34088 18156121 36312242 72624484 145248968