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145380370 = 2514538037
BaseRepresentation
bin10001010101001…
…01010000010010
3101010120002101011
420222211100102
5244204132440
622232001134
73413466322
oct1052452022
9333502334
10145380370
1175077473
12408301aa
13241722b5
1415445282
15cb6a9ea
hex8aa5412

145380370 has 8 divisors (see below), whose sum is σ = 261684684. Its totient is φ = 58152144.

The previous prime is 145380349. The next prime is 145380373. The reversal of 145380370 is 73083541.

It can be written as a sum of positive squares in 2 ways, for example, as 142778601 + 2601769 = 11949^2 + 1613^2 .

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

It is a super-2 number, since 2×1453803702 = 42270903962673800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145380373) 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, 7269009 + ... + 7269028.

Almost surely, 2145380370 is an apocalyptic number.

145380370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145380370 is a deficient number, since it is larger than the sum of its proper divisors (116304314).

145380370 is a wasteful number, since it uses less digits than its factorization.

145380370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14538044.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 145380370 is about 12057.3782390701. The cubic root of 145380370 is about 525.8177671145.

The spelling of 145380370 in words is "one hundred forty-five million, three hundred eighty thousand, three hundred seventy".

Divisors: 1 2 5 10 14538037 29076074 72690185 145380370